Trailer



FIG. 1 is a side view of the trailer, the opposite side view being amirror image;

FIG. 2 is a top plan view of the trailer of FIG. 1 with the wheelsomitted; and,

FIG. 3 is an end view of the trailer as seen from the left in FIG. 1.

A rear end view is not included and forms no part of the claimed design.

The ornamental design for a trailer, as shown and described.